Cantilevered 1,104 feet over the dramatic Tarn Gorge, the Millau Viaduct is the world’s tallest bridge. Here’s how this wonder of the modern world was built.

Millau Viaduct’s figures are mind-boggling: a structural height of 343 meters, the same as that of the Eiffel Tower and a length of 2,460 meters, the world’s tallest bridge.

Millau traffic jam on July 3, 2004, prior to the Millau Viaduct's opening, on December 16, 2004. RAPHAEL GAILLARDE / GAMMA-RAPHO VIA GETTY IMAGES ...

Cantilevered 1,104 feet over the dramatic Tarn Gorge, the Millau Viaduct is the world’s tallest bridge. Here’s how this wonder of the modern world was built.

Cantilevered 1,104 feet over the dramatic Tarn Gorge, the Millau Viaduct is the world’s tallest bridge. Here’s how this wonder of the modern world was built.

Cantilevered high over the Tarn gorge in southern France, and yawning 2,460 meters (8,070 feet) in length, the Millau Viaduct is the world’s tallest bridge, with a structural height of 336.4 ...